J. Patrick McCormack is an actor, known for his many appearances in American television programmes and bit parts in movies.
Seinfeld
The X-Files
Without a Trace
JAG
Married... with Children
The Drew Carey Show
Mad Men
Star Trek: Voyager
The West Wing
Star Trek: Deep Space Nine
Boston Legal
The Practice
Lois & Clark: The New Adventures of Superman
Babylon 5
Catch Me If You Can
The Division
3rd Rock from the Sun
The Guardian
Zodiac
The Parent Trap